The invention provides a tea extract facial cleanser and a preparation method thereof. The tea extract facial cleanser is prepared from the following effective components: tea extract, coenzyme Q10, fructus phyllanthi juice, lecithin, citric acid, TWEEN 80 polyoxyethylene sorbitan monooleate, cocamidopropyl betaine (CAB-35), amino acid laurinol ester, deionized water and the like. The facial cleanser provided by the invention is weakly acidic, purely natural, phosphorus-free, non-toxic, harmless, non-irritant, non-corrosive and pollution-free, integrates multiple functions of resisting ultraviolet rays, resisting oxidation, shrinking pores, resisting bacteria, diminishing inflammation, removing acnes, removing grease, resisting radiation, resisting allergy, removing excess fat, preserving moisture, delaying senility, enhancing smoothness and elasticity, preventing and restoring wrinkles and fine lines, clearing free radicals and the like, can keep vigorous metabolism of the skin and can enhance the immunity of the skin after being used for a long time, thereby protecting the skin in the harmful environment so that the skin is healthy and tender.